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Assassination of Archduke Ferdinand
Archiduke Franz Ferdinand of Austria is asassinated by a Bosnian Serb nationalist, this event is important because Germany saw an opportunity to weaken Russia, this breaks the war out -
Austro-Hungary declares war on Serbia
On July 28, 1914, the Austro-Hungarian Empire declared war on the kingdom of Serbia, an act that engulfed Europe, due to the prevailing alliance system, which soon became World War I. -
German troops enter Belgium
August 4, 1914 Germany began to disrespect.
Thus began the Battle of Liège, the first major battle of the armed conflict. It only lasted two days, more than enough time for the city's forts to surrender to the Germans. But this invasion of Belgium brought with it the entry into the war of the United Kingdom of Great Britain and Ireland. -
Italy declares war on Austria-Hungary
On April 26, 1915, Italy negotiated the secret Pact of London by which Great Britain and France promised to support Italy annexing the frontier lands in return for entering the war on the Entente side. On May 3, Italy resigned from the Triple Alliance and later declared war against Austria-Hungary at midnight on May 23. -
United States declares war on Germany
On April 2, 1917, President Woodrow Wilson went before a joint session of Congress to request a declaration of war against Germany, United states took part in the Allies -
Bolshevik storm the Winter Palace
The radical Bolshevik party captured Petrograd (now St. Petersburg), thus beginning the 70-year period of Communist rule in Russia. The Winter Palace, the very symbol of royal power, was the last building in the capital to resist the Bolsheviks. That resistance didn’t last long though. -
Russia signs armistice with Germany
On 15 December 1917, an armistice was signed between the Russian Soviet Federative Socialist Republic on the one side and the Austro-Hungarian Empire, the Kingdom of Bulgaria, the German Empire and the Ottoman Empire—the Central Powers—on the other. The armistice took effect two days later, on 17 December . By this agreement Russia de facto exited World War I, although fighting would briefly resume before the Treaty of Brest-Litovsk was signed on 3 March 1918, and Russia made peace. -
Russia signs the Treaty of Brest-Litovsk
The Treaty of Brest-Litovsk (also known as the Treaty of Brest in Russia) was a separate peace treaty signed on 3 March 1918 between Russia and the Central Powers (Germany, Austria-Hungary, Bulgaria, and the Ottoman Empire), that ended Russia's participation in World War I. -
Armistice
The Armistice of November 11, 1918 was a treaty signed at Le Francport, which ended the fighting on land, sea, and in the air in World War I between the Allies and their opponent, the German Empire. Armistices had previously been agreed with Bulgaria, the Ottoman Empire and the Austro-Hungarian Empire, this marked a victory for the allies and a defeat for Germany, although not formally a surrender. -
Treaty of Versailles signed
The Treaty of Versailles was a peace treaty that was signed in Versailles at the end of World War I by more than fifty countries. This treaty put an end to what would be "the last war", it tried to limit future military adventures by part of Germany. It was signed on June 28, 1919, exactly five years after the attack in Sarajevo in which Archduke Franz Ferdinand was assassinated.